Unit 3: Homeostasis Test Review 2024

Front

What percentage of energy is typically passed on to each trophic level in an ecosystem?

Back

10%

Front

What has been the overall trend of the kelp population in certain areas?

Back

Kelp populations have decreased in this area.

Front

What factors affect the rate of photosynthesis?

Back

Amount of water, carbon dioxide concentration, temperature.

Front

What would be an indirect effect in an ecosystem if grasshoppers were removed?

Back

The amount of owls would decrease.

Front

What is a substance with a pH less than 7?

Back

Acid.

Front

What is homeostasis?

Back

The process by which living organisms maintain a stable internal environment.

Front

What is the role of producers in an ecosystem?

Back

Producers convert sunlight into energy through photosynthesis.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, representing the flow of energy and nutrients.

Front

What is the significance of decomposers in an ecosystem?

Back

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

Front

What is the relationship between predator and prey in an ecosystem?

Back

Predators hunt and consume prey, helping to regulate population sizes.